It's got to be good for our pharmaceuticals industry though: all those performance enhancers etc.

He was linked to performance enhancers in the book Game of Shadows.

It's promoted as a performance enhancer, but the claims are unproven.

In addition, myostatin blockers could be used as performance enhancers.

"We will have to look at all the technical details and must ensure that a test for performance enhancers was done."

He also reacted to criticism that the sport waited too long to punish players who used performance enhancers.

Even caffeine is considered a performance enhancer if it's in a great enough quantity.

What if a young player cannot imagine having a life of riches without a performance enhancer?

There is no evidence to suggest it should act as a performance enhancer in non-diabetics.

Actovegin has also been used as a performance enhancer.